rtlwifi: rtl8192se: Updates from latest Realtek driver version - Part II
This patch incorporate the differences between the 06/20/2011 and
08/16/2011 Realtek releases of the rtl8192se driver.
The changes include:
1. Fixing some typos in register usage.
2. A change in the handling of decryption status for 802.11w packets.
Signed-off-by: Chaoming Li <chaoming_li@realsil.com.cn>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
index ba137da..fbebe3e 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
@@ -124,18 +124,15 @@
u8 i, max_spatial_stream;
u32 rssi, total_rssi = 0;
bool in_powersavemode = false;
- bool is_cck_rate;
+ bool is_cck = pstats->is_cck;
- is_cck_rate = SE_RX_HAL_IS_CCK_RATE(pdesc);
pstats->packet_matchbssid = packet_match_bssid;
pstats->packet_toself = packet_toself;
- pstats->is_cck = is_cck_rate;
pstats->packet_beacon = packet_beacon;
- pstats->is_cck = is_cck_rate;
pstats->rx_mimo_signalquality[0] = -1;
pstats->rx_mimo_signalquality[1] = -1;
- if (is_cck_rate) {
+ if (is_cck) {
u8 report, cck_highpwr;
cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
@@ -246,9 +243,8 @@
pstats->rxpower = rx_pwr_all;
pstats->recvsignalpower = rx_pwr_all;
- if (GET_RX_STATUS_DESC_RX_HT(pdesc) &&
- GET_RX_STATUS_DESC_RX_MCS(pdesc) >= DESC92_RATEMCS8 &&
- GET_RX_STATUS_DESC_RX_MCS(pdesc) <= DESC92_RATEMCS15)
+ if (pstats->is_ht && pstats->rate >= DESC92_RATEMCS8 &&
+ pstats->rate <= DESC92_RATEMCS15)
max_spatial_stream = 2;
else
max_spatial_stream = 1;
@@ -266,7 +262,7 @@
}
}
- if (is_cck_rate)
+ if (is_cck)
pstats->signalstrength = (u8)(_rtl92se_signal_scale_mapping(hw,
pwdb_all));
else if (rf_rx_num != 0)
@@ -518,6 +514,8 @@
{
struct rx_fwinfo *p_drvinfo;
u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc);
+ struct ieee80211_hdr *hdr;
+ bool first_ampdu = false;
stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc);
stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8;
@@ -530,8 +528,12 @@
stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc);
stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc);
stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1);
+ stats->isfirst_ampdu = (bool) ((GET_RX_STATUS_DESC_PAGGR(pdesc) == 1)
+ && (GET_RX_STATUS_DESC_FAGGR(pdesc) == 1));
stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc);
stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc);
+ stats->is_ht = (bool)GET_RX_STATUS_DESC_RX_HT(pdesc);
+ stats->is_cck = SE_RX_HAL_IS_CCK_RATE(pdesc);
if (stats->hwerror)
return false;
@@ -539,30 +541,39 @@
rx_status->freq = hw->conf.channel->center_freq;
rx_status->band = hw->conf.channel->band;
- if (GET_RX_STATUS_DESC_CRC32(pdesc))
+ hdr = (struct ieee80211_hdr *)(skb->data + stats->rx_drvinfo_size
+ + stats->rx_bufshift);
+
+ if (stats->crc)
rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
- if (!GET_RX_STATUS_DESC_SWDEC(pdesc))
- rx_status->flag |= RX_FLAG_DECRYPTED;
-
- if (GET_RX_STATUS_DESC_BW(pdesc))
+ if (stats->rx_is40Mhzpacket)
rx_status->flag |= RX_FLAG_40MHZ;
- if (GET_RX_STATUS_DESC_RX_HT(pdesc))
+ if (stats->is_ht)
rx_status->flag |= RX_FLAG_HT;
rx_status->flag |= RX_FLAG_MACTIME_MPDU;
- if (stats->decrypted)
- rx_status->flag |= RX_FLAG_DECRYPTED;
+ /* hw will set stats->decrypted true, if it finds the
+ * frame is open data frame or mgmt frame,
+ * hw will not decrypt robust managment frame
+ * for IEEE80211w but still set stats->decrypted
+ * true, so here we should set it back to undecrypted
+ * for IEEE80211w frame, and mac80211 sw will help
+ * to decrypt it */
+ if (stats->decrypted) {
+ if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
+ (ieee80211_has_protected(hdr->frame_control)))
+ rx_status->flag &= ~RX_FLAG_DECRYPTED;
+ else
+ rx_status->flag |= RX_FLAG_DECRYPTED;
+ }
rx_status->rate_idx = rtlwifi_rate_mapping(hw,
- (bool)GET_RX_STATUS_DESC_RX_HT(pdesc),
- (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc),
- (bool)GET_RX_STATUS_DESC_PAGGR(pdesc));
+ stats->is_ht, stats->rate, first_ampdu);
-
- rx_status->mactime = GET_RX_STATUS_DESC_TSFL(pdesc);
+ rx_status->mactime = stats->timestamp_low;
if (phystatus) {
p_drvinfo = (struct rx_fwinfo *)(skb->data +
stats->rx_bufshift);